diff --git a/nicegui/elements/timer.py b/nicegui/elements/timer.py
index 5402cbb07..ec263f81e 100644
--- a/nicegui/elements/timer.py
+++ b/nicegui/elements/timer.py
@@ -125,3 +125,5 @@ def _should_stop(self) -> bool:
 
     def _cleanup(self) -> None:
         self.callback = None
+        assert self.parent_slot
+        self.parent_slot.parent.remove(self)